Obstreperous

a.	1.	Attended by, or making, a loud and tumultuous noise; clamorous; noisy; vociferous. Beating the air with their obstreperous beaks. - B. Jonson.
	2.	Resistant to control; unruly.

Adj.	1.	obstreperous - noisily and stubbornly defiant; "obstreperous boys"
	2.	obstreperous - boisterously and noisily aggressive; "kept up an obstreperous clamor"

bawling, beyond control, blaring, blatant, blatting, blustering, boanergean, boisterous, brassy, brawling, brazen, breachy, clamant, clamorous, clamoursome, clanging, clangorous, clattery, contumacious, crying, defiant, disorderly, fractious, impatient of control, incorrigible, indocile, indomitable, insuppressible, intractable, irrepressible, loud, loudmouthed, mafficking, multivocal, naughty, noiseful, noisy, openmouthed, ornery, out of control, out of hand, rackety, rambunctious, rampant, raucous, recalcitrant, refractory, resistant, resisting, restive, revolutionary, riotous, rip-roaring, roisterous, rowdy, rumbustious, screaming, shouting, shrewish, strepitant, strepitous, strident, tempestuous, terrorist, tumultuous, turbulent, unbiddable, unbridled, uncontrollable, uncontrolled, undisciplined, ungovernable, unmalleable, unmanageable, unmoldable, unrestrained, unruly, unsubmissive, uproarious, vociferant, vociferating, vociferous, wild, yammering, yapping, yelling, yelping